18245381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1123}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 22875648

約数和(自身を除く): 4630267

約数列:

[1, 7, 11, 77, 211, 1123, 1477, 2321, 7861, 12353, 16247, 86471, 236953, 1658671, 2606483, 18245381]

約数ペア:

[(1, 18245381), (7, 2606483), (11, 1658671), (77, 236953), (211, 86471), (1123, 16247), (1477, 12353), (2321, 7861)]